H - Electricity – 01 – M
Patent
H - Electricity
01
M
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H01M 10/44 (2006.01) H01M 10/52 (2006.01)
Patent
CA 1276973
ABSTRACT A method for charging a sealed, secondary electrochemical power source (14) with a water-based electrolyte (19), a gas space (20) and the possibility of recombination in accordance with the oxygen cycle during pressure stabilization at a low controlled level. Charging takes place at a constant d.c. voltage whilst the pressure inside the gas space of the power source is reduced by evacuation. An arrangement for implementing the method consists essentially of a vacuum pump (23) which is connected to the gas space (20) of the power source via an evacuation line (24), and of a constant d.c. voltage source (25). The vacuum pump is so arranged as to come into operation when the power source is being charged.
528364
Fetherstonhaugh & Co.
Sab Nife Ab
LandOfFree
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